|
public Render ( |
||
| context | ||
| cellWidth | double | |
| cellHeight | double | |
| return | void | |
private void PaintHeaderCell(Rectangle area, int ci, bool dragging, ref bool have_drawn_separator)
{
if (ci < 0 || column_cache.Length <= ci)
{
return;
}
if (ci == ActiveColumn && HasFocus && HeaderFocused)
{
Theme.DrawColumnHeaderFocus(cairo_context, area);
}
if (dragging)
{
Theme.DrawColumnHighlight(cairo_context, area,
CairoExtensions.ColorShade(Theme.Colors.GetWidgetColor(GtkColorClass.Dark, StateType.Normal), 0.9));
Cairo.Color stroke_color = CairoExtensions.ColorShade(Theme.Colors.GetWidgetColor(
GtkColorClass.Base, StateType.Normal), 0.0);
stroke_color.A = 0.3;
cairo_context.Color = stroke_color;
cairo_context.MoveTo(area.X + 0.5, area.Y + 1.0);
cairo_context.LineTo(area.X + 0.5, area.Bottom);
cairo_context.MoveTo(area.Right - 0.5, area.Y + 1.0);
cairo_context.LineTo(area.Right - 0.5, area.Bottom);
cairo_context.Stroke();
}
ColumnCell cell = column_cache[ci].Column.HeaderCell;
if (cell != null)
{
cairo_context.Save();
cairo_context.Translate(area.X, area.Y);
cell_context.Area = area;
cell_context.State = StateType.Normal;
cell.Render(cell_context, area.Width, area.Height);
cairo_context.Restore();
}
if (!dragging && ci < column_cache.Length - 1 && (have_drawn_separator ||
column_cache[ci].MaxWidth != column_cache[ci].MinWidth))
{
have_drawn_separator = true;
Theme.DrawHeaderSeparator(cairo_context, area, area.Right);
}
}
private void PaintHeaderCell(Cairo.Context cr, Rectangle area, int ci, bool dragging)
{
if (ci < 0 || column_cache.Length <= ci)
{
return;
}
var column_flags = new RegionFlags();
if (ci == sort_column_index)
{
column_flags |= RegionFlags.Sorted;
}
if (ci == 0)
{
column_flags |= RegionFlags.First;
}
if (ci == (column_cache.Length - 1))
{
column_flags |= RegionFlags.Last;
}
// First column should be odd, but ci starts at 0
if ((ci + 1) % 2 == 0)
{
column_flags |= RegionFlags.Even;
}
else
{
column_flags |= RegionFlags.Odd;
}
StyleContext.Save();
// RegionFlags.Last is not applied, see https://bugzilla.gnome.org/show_bug.cgi?id=731463
StyleContext.AddRegion("column-header", column_flags);
StyleContext.AddClass("button");
if (dragging)
{
// This is not applied in Adwaita, see https://bugzilla.gnome.org/show_bug.cgi?id=731663
StyleContext.AddClass("dnd");
}
StyleContext.RenderBackground(cr, area.X, area.Y, area.Width, area.Height);
StyleContext.RenderFrame(cr, area.X, area.Y, area.Width, area.Height);
if (ci == ActiveColumn && HasFocus && HeaderFocused)
{
var border = StyleContext.GetBorder(StyleContext.State);
var f_x = area.X + border.Left;
var f_y = area.Y + border.Top;
var f_width = area.Width - border.Left - border.Right;
var f_height = area.Height - border.Top - border.Bottom;
StyleContext.RenderFocus(cr, f_x, f_y, f_width, f_height);
}
ColumnCell cell = column_cache[ci].Column.HeaderCell;
if (cell != null)
{
cr.Save();
cr.Translate(area.X, area.Y);
cell_context.Area = area;
cell_context.Selected = false;
cell.Render(cell_context, area.Width, area.Height);
cr.Restore();
}
StyleContext.Restore();
}